var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var loginRouter = require('./routes/login');
var registRouter = require('./routes/regist');
var adminRouter = require('./routes/admin');
var searchRouter = require('./routes/search');
var uploadFileRouter = require('./routes/uploadFile');
var insertRouter = require('./routes/insert');
var searchRouter = require('./routes/search');
var updateRouter = require('./routes/update');
var deleteRouter = require('./routes/delete');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

//设置跨域访问
app.all('*', function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Headers", "Content-Type");
  res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");
  next();
});
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);
app.use('/api/users', usersRouter);
app.use('/api/login', loginRouter);
app.use('/api/regist', registRouter);
app.use('/api/admin', adminRouter);
app.use('/api/search', searchRouter);
app.use('/api/uploadfile',uploadFileRouter);
app.use('/api/insert', insertRouter);
app.use('/api/update', updateRouter);
app.use('/api/delete', deleteRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
